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Optoelectronics - Silicones

 

Adhesives/Sealants

Optically Clear

LS-6943 » Optical Thermoset

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity5,400 cP5,400 mPas
Cured : 60 min at 100°C (212°F)
Specific Gravity1.03-
Durometer, Type A40-
Tensile Strength900 psi6.2 MPa
Elongation120%-
Refractive Index, 589 nm1.43-
Thermooptic Coefficient-3.9 x 10-4/°C-
Refractive Index vs. WavelengthSee Proflie PDF-
Optical Absorption vs. WavelengthSee Proflie PDF-

LS-6946 » Optical Thermoset

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity, Part A40,000 cP40,000 mPas
Viscosity, Part B35,000 cP35,000 mPas
Work Time2 hours minimum-
Cured : 30 min at 150°C (302°F)
Specific Gravity1.14-
Durometer, Type A30-
Tensile Strength675 psi4.7 MPa
Elongation275 %-
Tear Strength40 ppi7.1 kN/m
Lap Shear (primed w/ LS1-3200)510 psi3.5 MPa
Coefficient of Linear Thermal Expansion,
above Tg (-80 to 250°C)360 ppm/°C-
TGA Takeoff (1% weight loss)715°F365°C
Extractable IonicsBelow MIL-STD-883E-
Young's Modulus425 psi2.9 MPa
Dielectric Strength510 volts/mil20.1 kV/mm
Refractive Index, 589 nm1.46-
Refractive Index vs. Temperature, 589 nm-3.3 x 10-4/°C-
Refractive Index vs. WavelengthSee Profile PDF-
Optical Absorption vs. WavelengthSee Profile PDF-
Operating Temperature Range-85 to 465°F-65 to 240°C


Fluorosilicone

FS-3730 » Fluorosilicone Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceWhite
Extrusion Rate†180 g/minute
Tack-Free Time25 minutes
Cured: 72 hours minimum at ambient temperature and humidity
Specific Gravity1.4
Durometer, Type A33
Tensile Strength900 psi (6.2 MPa)
Elongation440%
Tear Strength55 ppi (9.7 kN/m)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

†(Performed using a SEMCO® 440 nozzle with a 1/8" orifice and 90± 5 psi air pressure)


FS3-3730 » Fluorosilicone Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Extrusion Rate (Performed using a SEMCO® 440 nozzle with a 1/8" orifice and 90± 5 psi air pressure)230 g/min
Tack-Free Time15 minutes
Cured: 72 hours at ambient temperature and humidity
Specific Gravity1.35
Durometer, Type A35
Tensile Strength820 psi (5.7 MPa)
Elongation400%
Tear Strength50 ppi (8.8 kN/m)
Lap Shear Strength200 psi (1.4 MPa)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-120

Note: Some bonding applications may require the use of a primer.


FS9-3521 » Fluorosilicone adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceBrown
Cured: 24 hours at ambient temperature and humidity
Durometer, Type A 29
Work time3 Hours
Extrusion Rate
60 seconds at 90 PSI. Use SxS kit w/ mixtip for packing specification F2
50g/min
Specific Gravity 1.4
Tensile Strength 750 psi (5.2 MPa)
Elongation 300%
Lap Shear Strength (primed w/ SP-273) 280 psi (1.9 MPa)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-273

Note: Some bonding applications may require the use of a primer.



CF1-3800 » Thermally Conductive Fluorosilicone Elastomer

PROPERTIES
Uncured:
Appearance, Part AWhite-
Appearance, Part BTranslucent-
ConsistencyPaste-
Work Time90 min-
Cured: 30 min at 150°C (302°F)
Specific Gravity1.53-
Durometer, Type A50-
Tensile Strength125 psi0.86 MPa
Elongation50%-
Thermal Conductivity30 x 10-4 cal/cm-sec°C1.25 W/m-K

EPM-2420 » Low Volatility General Purpose Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Transparent
Viscosity, Mixed*2,600 cP (2,600 mPas)
Cured: 1 hour at 65°C (149°F)
Specific Gravity*1.01
Durometer, Type A*30
Tensile Strength*425 psi (2.9 MPa)
Elongation*150%
Volatile Content (1 hour at 275°C)0.85%
Ionic Content, Cl<2 ppm
Ionic Content, K<1 ppm
Ionic Content, Na<8 ppm

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


EPM-2461 » Low Volatility Static Dissipative Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part ABlack
Appearance, Part BTranslucent
Appearance, MixedBlack
Viscosity, Part A1,250,000 cP (1,250,000 mPas)
Viscosity, Part B100,000 cP (100,000 mPas)
Work Time1 hour
Cured: 24 hours minimum at ambient temperature and humidity
Durometer, Type A30
Tensile Strength500 psi (3.4 MPa)
Elongation350%
Tear Strength30 ppi (5.3 kN/m)
Volume Resistivity535 ohm cm
Thermal Conductivity*0.223 W/(mK)
Volatile Content (1 hour at 275°C)0.78%
Ionic Content, Cl*<5 ppm
Ionic Content, K*<1 ppm
Ionic Content, Na*<6 ppm

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


EPM-2462 » Low Volatility Electrically Conductive Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Tan, paste
Work Time*2.75 hours
Cured: 30 minutes at 150°C (302°F)
Specific Gravity*3.39
Durometer, Type A*85
Tensile Strength*525 psi (3.6 MPa)
Volume Resistivity*0.005 ohm cm
Thermal Conductivity1.20 W/(mK)(29 x 10-4 cal/(cm sec°C))
Coefficient of Linear Thermal Expansion
Below Tg (-100°C to -50°C)140 ppm/°C (140µm/m/°C)
Above Tg (-30°C to 250°C)215 ppm/°C (215µm/m/°C)
Volatile Content (1 hour at 275°C)0.2%
Ionic Content, Cl<5 ppm
Ionic Content, K<7 ppm
Ionic Content, Na<5 ppm

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


EPM-2490 » Low Volatility Thermally Conductive Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceWhite
Work Time2 hours
Tack-Free Time4.5 hours
Cured:
Specific Gravity1.53
Durometer, Type A75
Tensile Strength200 psi (1.4 MPa)
Elongation30%
Lap Shear Strength160 psi (1.1 MPa)
Thermal Conductivity1.49 W/mK (36 x 10-4 cal/cmsec°C)
Volatile Content (1 hour at 275°C)0.2%
Moisture Absorption610%
Dielectric Strength610 V/mil (24.0 kV/mm)
Dielectric Constant, 100 Hz3.4
Dielectric Constant, 1 kHz3.4
Loss Tangent, 100 Hz0.002
Loss Tangent, 1 kHz0.001
Coefficient of Linear Expansion (-70°C to 200°C)240µm/(m°C)
Glass Transition Temperature (Tg)-127°C (-196.6°F)
Ionic Content, Na<3 ppm
Ionic Content, K<3 ppm
Ionic Content, Cl<6 ppm

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


EPM-2850 » Low Volatility RTV Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Translucent
Viscosity 7,400 cP
Tack Free Time 50 minutes
Cured: 7 days minimum @ ambient temperature and humidity  
Specific Gravity* 1.01
Durometer, Type A* 16
Tensile Strength* 80 psi (0.55 MPa)
Elongation* 200%
Volatile Content (1 hour at 275°C)* 0.7%
Dielectric Strength* 660 V/mil (25.8 kV/mm)

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-120

Note: Some bonding applications may require the use of a primer.


PSA-1170 » Pressure Sensitive Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity250 cP (250 mPas)
Non-Volatile Content50%
Cured: 90 minutes at 150°C (302°F)
Release Force of PSA10 ppi (1.8 kN/m)
PSA Blunt Probe Tack Test1.5 lbs (6.7 N)

PSA-1270 » Pressure Sensitive Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Viscosity 2,100 cP (2,100 mPas)
Non-Volatile Content 50%
Viscosity2,100 cP (2,100 mPas)
Cured: 30 minutes @ 70°C in oven  
180° Peel Strength 3.1 ppi (0.54 kN/m)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R-1130 » Non-Corrosive RTV Silicone Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceTranslucent-
Non-Volatile Content100%-
Flow0.5 inches1.3 cm
Tack Free Time25 min-
Cured: 7 days at ambient temp. and humidity
Specific Gravity1.1-
Durometer, Type A35-
Tensile Strength850 psi5.9 MPa
Lap Shear Strength (primed w/ SP-120)485 psi3.3 MPa
Elongation325%-
Tear Strength,40 ppi7.1 kN/m
Operating Temperature Range-85 to 465°F–65 to 240°C

Recommended Primer SP-120

Note: Some bonding applications may require the use of a primer.


R-1140 » Clear Silicone Adhesive

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceTranslucent-
ConsistencyThixotropic-
Non-Volatile Content100%-
Tack Free Time7 min-
Flow Rate (0.375" plunge for 1 minute)1.5 inches38.1 mm
Set Up Time (Thin Section)50 min-
Cured: 72 hours minimum at ambient temp. and humidity
Specific Gravity1.09-
Durometer, Type A30-
Tensile Strength700 psi4.8 Mpa
Elongation350%-
Lap Shear Strength (primed w/ SP-120)625 psi4.3 Mpa
Tear Strength40 ppi7.0kN/m
Young's Modulus300 psi2.1 Mpa

R-1400 » Silicone Glob-Top

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceBlack-
Viscosity400,000 cP400,000 mPas
Extrusion Rate120 g/min-
Cured: 15 min at 200°C (392°F)
Specific Gravity1.18-
Durometer, Type A19-
Tensile Strength825 psi5.7 MPa
Elongation750%-
Tear Strength110 ppi19.4 kN/m
Rheometer (ODR) Maximum Torque30 in·lbs-
Rheometer (ODR) Scorch Time2 minutes-
Dielectric Strength400 volts/mil15.7 kV/mm
Dielectric Constant2.64-
Water Absorption, % gain after 168 hour exposure at 85°C (185°F) / 85 % R.H.0.11%-

R-1600 » Non-Corrosive RTV Silicone Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceClear-
ConsistencyNon-Slumping-
Cure SystemOxime-
Cure Time at ambient temp. and humidity
Full cure7 days-
Tack Free Time at 25°C (77°F) and 50% R.H.30 min-
Cured: 7 days, 50% R.H.
Specific Gravity 0.45-
Durometer, Type A45-
Tensile Strength650 psi4.5 Mpa
Elongation300%-
Tear Strength60 ppi11.4 kN/m
Lap Shear Strength (primed w/ SP-120)205 psi1.4 Mpa
Young's Modulus475 psi3.3 Mpa
Operating Temperature Range-178 to 500°F-115 to 260°C

R-2145 » Extremely Tough High Durometer Fast-Cure Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part ABlack
Appearance, Part BWhite
Color, MixedDark Gray
Extrusion Rate, Part A310 g/min
Extrusion Rate, Part B280 g/min
Work Time15 min
Cured: 2 hours at 65°C (149°F)
Specific Gravity1.17
Durometer, Type A45
Tensile Strength1,050 psi (7.2 MPa)
Elongation400%
Tear Strength150 ppi (26.5 N/mm)
Stress at 200% Strain525 psi (3.6 MPa)
Lap Shear, unprimed145 psi (1.0 MPa)
Lap Shear, primed w/ CF1-135600 psi (4.1 MPa)
180° Peel, primed w/ CF1-13570 ppi (12.3 N/mm)
Young's Modulus300 psi (2.1 MPa)
Dielectric Strength825 Volts/mil (32.5 kV/mm)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2160 » High Temperature RTV Silicone Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Appearance, Part ARed-
Appearance, Part BTranslucent-
Consistency, Part APours Easily-
Consistency, Part BPours Easily-
Viscosity, Part A 280,000 cP  
Viscosity, Part B 745 cP  
Work Time1.5 h-
Tack Free Time10 h-
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.2-
Durometer, Type A20-
Tensile Strength750 psi5.2 Mpa
Elongation625%-
Tear Strength 140 ppi 26.5 kN/m
    
  -

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2186 » General Purpose Silicone Elastomer

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity, Part A83,000 cP83,000 mPas
Work Time2.5 hours-
Cured: 15 min at 150°C (302°F)
Specific Gravity1.12-
Durometer, Type A30-
Tensile Strength1,050 psi7.2 MPa
Elongation450%-
Tear Strength100 ppi17.6 kN/m
Lap Shear Strength (primed w/ CF1-135)475 psi3.3 MPa
Dielectric Strength640 volts/mil25.2 kV/mm

R-2550 » Wide Service Temperature Range Translucent RTV Silicone Elastomer

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceTranslucent-
Non-Volatile Content100%-
Viscosity9,000 cP9,000 mPas
Work Time6 hours-
Set up time24 hours-
Cured: 7 days minimum at ambient temp. and humidity
Specific Gravity1.08-
Durometer, Type A35-
Tensile Strength500 psi3.5 Mpa
Elongation175%-
Tear Strength20 ppi3.5 kN/mm

Recommended Primer SP-120

Note: Some bonding applications may require the use of a primer.


R-2560 » Wide Temperature Range RTV Silicone Elastomer (Red)

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceRed-
Non-Volatile Content100%-
Viscosity31,000 cP31,000 mPas
Work Time1 hour minimum-
Cured : 7 days at ambient temperature and humidity
Specific Gravity1.41-
Durometer, Type A55-
Tensile Strength700 psi4.8 MPa
Elongation125%-
Lap Shear Strength (primed )385 psi2.7 MPa

Note: Some bonding applications may require the use of a primer.
Please contact us for information on available primers.


R-2630 » High Durometer RFI and EMI Shielding RTV Silicone

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceBlack
Work Time15 hours
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.1
Durometer, Type A60
Tensile Strength690 psi (4.7 MPa)
Elongation95%
Tear Strength40 ppi (7.0 kN/m)
Volume Resistivity6 ohm cm

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2634 » Electrically Conductive RTV Silicone

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceGray-green
Flow (0.500 plunge)1.2 inches (30.5 mm)
Work Time3 hours
Extrusion Rate160 gram/minute
Cured: 7 days at ambient temperature and humidity
Specific Gravity3.41
Durometer, Type A80
Tensile Strength250 psi (1.7 MPa)
Elongation90%
Tear Strength50 ppi (8.8 N/mm)
Lap Shear Strength (primed w/ SP-121)200 psi (1.4 MPa)
Volume Resistivity0.001 ohm cm

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-121

Note: Some bonding applications may require the use of a primer.


R-2682-12 » RTV Silicone Film Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part ATranslucent
Appearance, Part BTranslucent
Dimensional Analysis0.012 inches (0.2 mm)
Application Life of Uncured Sheeting4 hours Minimum
Cured: 4 hours at 65°C (149°F)
Lap Shear Strength of Silicone Sheeting100 psi Minimum

R-2930 » Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Chemical ClassificationVMQ-
ColorWhite-
ConsistencyPaste-
Work Time at 25°C (77°F)3 hours-
Cured : (Cured 30 min at 150°C (302°F)
Operating Temperature Range-85 to 465°F–65 to 240°C
Specific Gravity at 25°C (77°F)1.55-
Durometer, Type A80-
Tensile Strength260 psi1.72 Mpa
Elongation, %20-
Thermal Conductivity1.46 W/mk35 x 10-4 cal/cm sec °C
Dielectric Strength880 Volts/mil34.6 kV/mm

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2939 » Low Viscosity Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*White
Viscosity, Part A*70,000 cP (70,000 mPas)
Work Time*4 hours
Cured: 30 minutes at 150°C (302°F)
Specific Gravity*1.34
Durometer, Type A*70
Tensile Strength*300 psi (2.1 MPa)
Elongation*70%
Tear Strength*45 ppi (7.9 kN/m)
Thermal Conductivity*0.75 W/(mK)(18 x 10-4 cal/(cm sec°C))
Dielectric Strength810 Volts/mil (31.9 kV/mm)

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2940 » High Strength Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Chemical ClassificationVMQ-
ColorGray-
ViscosityPaste-
Work Time at 25°C (77°F)5 hours-
Tack-Free Time at 25°C (77°F)24 hours-
Cured : Cured 30 min at 150°C (302°F)
Operating Temperature Range-85 to 465°F–65 to 240°C
Specific Gravity at 25°C (77°F)2.41-
Durometer, Type A90-
Tensile Strength700 psi4.8 Mpa
Elongation, %35-
Tear Strength, Die B65 ppi11.5 kN/m
Thermal Conductivity0.84 W/mk20 x 10-4 cal/cm sec °C
Dielectric Strength450 volt/mil17.7 kV/mm

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2949 » Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceWhite-
Viscosity, Part A75,000 cP75,000 mPas
Work Time3.5 hours-
Cured : Cured 30 min at 150°C (302°F)
Durometer, Type A75-
Tensile Strength275 psi4.8 MPa
Elongation50%-
Tear Strength45 ppi7.9 kN/m
Thermal Conductivity0.75 W/mk18 x 10-4 cal/cm-sec-°C
Dielectric Strength920 Volts/mil36.2 kV/mm
Operating Temperature Range-178 to 500°F-115 to 265°C

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-3975 » RTV Fluorosilicone Dispersion

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity1,625 cP (1,625 mPas)
Non-Volatile Content60%
Cured: 72 hours at ambient temp. and humidity
Specific Gravity1.29
Durometer, Type A25
Tensile Strength425 psi (2.9 MPa)
Elongation400%
Tear Strength35 ppi (6.2 kN/m)

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-120 or SP-121

Note: Some bonding applications may require the use of a primer.


R1-2145 » Extremely Tough High Durometer Fast-Cure Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part ABlack
Appearance, Part BWhite
Color, MixedDark Gray
Extrusion Rate, Part A280 g/min
Extrusion Rate, Part B290 g/min
Work Time1 hour
Cured: 2 hours at 65°C (149°F)
Specific Gravity1.16
Durometer, Type A45
Tensile Strength1,000 psi (6.9 MPa)
Elongation400%
Tear Strength190 ppi (33.5 N/mm)
Stress at 200% Strain525 psi (3.6 MPa)
Lap Shear, unprimed145 psi (1.0 MPa)
Lap Shear, primed w/ CF1-135625 psi (4.3 MPa)
180° Peel, primed w/ CF1-13550 ppi (8.8 N/mm)
Young's Modulus300 psi (2.1 MPa)
Dielectric Strength825 Volts/mil (32.5 kV/mm)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R31-2186 » Fast-Cure Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Translucent
Viscosity, Part A*82,000 cP (82,000 mPas)
Viscosity, Mixed*-
Flow (0.375" plunge for 5 minutes)*0.5 inches (1.3 cm)
Extrusion Rate, Part A*5 g/minute
Extrusion Rate, Part B*20 g/minute
Work Time*15 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Specific Gravity*1.12
Durometer, Type A*20
Tensile Strength*1,000 psi (6.9 MPa)
Elongation*775%
Tear Strength*125 ppi (22.0 kN/m)
Lap Shear Strength*110 psi (0.76 MPa)
Young's Modulus200 psi (1.4 kN/m)
Dielectric Strength905 Volts/mil (35.6 kV/mm)

*The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R32-2186 » Fast-Cure Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*TRANSLUCENT
Viscosity, part a*80,000 CP (80,000 MPAS)
Viscosity, mixed*170,000 CP (170,000 MPAS)
Flow (0.375" plunge for 5 minutes)*0.5 INCHES (1.3 CM)
Extrusion rate, part a*6 G/MINUTE
Extrusion rate, part b*23 G/MINUTE
Work time*15 HOURS MINIMUM
Cured: 15 minutes at 150°c (302°f)
Specific gravity*1.12
Durometer, type a*15
Tensile strength*975 PSI (6.7 MPA)
Elongation*850%
Tear strength*125 PPI (22.0 KN/M)
Lap shear strength*150 PSI (1.0 MPA)
Young's modulus200 PPI (1.4 KN/M)
Dielectric strength905 VOLTS/MIL (35.6 KV/MM)

*The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R33-2186 » Fast-Cure Silicone Adhesive

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity, Part A83,500 cP83,500 mPas
Work Time2 hours-
Cured: 24 hours at ambient temperature and humidity
Specific Gravity1.12-
Durometer, Type A20-
Tensile Strength1,000 psi6.9 Mpa
Elongation725%-
Tear Strength150 ppi26.5 KN/m

R4-1140 » Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Volatility2.4%
Flow Rate (0.375" plunge for 1 minute)2 inches
Tack-Free Time10 min.
Cured: 72 hours at ambient temp. and humidity
Specific Gravity1.12
Durometer, Type A25
Tensile Strength1,400 psi
Elongation750%
Tear Strength100 ppi
Stress at 200% Strain110 psi

Coatings

Fluorosilicone

R-3930 » RTV Fluorosilicone Dispersion

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity735 cP (735 mPas)
Non-Volatile Content60%
Cured: 72 hours at ambient temp. and humidity
Specific Gravity1.36
Durometer, Type A30
Tensile Strength750 psi (5.2 MPa)
Elongation400%
Tear Strength40 ppi (7.1 kN/m)

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-120 or SP-121

Note: Some bonding applications may require the use of a primer.


R-3975 » RTV Fluorosilicone Dispersion

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity1,625 cP (1,625 mPas)
Non-Volatile Content60%
Cured: 72 hours at ambient temp. and humidity
Specific Gravity1.29
Durometer, Type A25
Tensile Strength425 psi (2.9 MPa)
Elongation400%
Tear Strength35 ppi (6.2 kN/m)

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-120 or SP-121

Note: Some bonding applications may require the use of a primer.



EPM-2850 » Low Volatility RTV Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Translucent
Viscosity 7,400 cP
Tack Free Time 50 minutes
Cured: 7 days minimum @ ambient temperature and humidity  
Specific Gravity* 1.01
Durometer, Type A* 16
Tensile Strength* 80 psi (0.55 MPa)
Elongation* 200%
Volatile Content (1 hour at 275°C)* 0.7%
Dielectric Strength* 660 V/mil (25.8 kV/mm)

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-120

Note: Some bonding applications may require the use of a primer.


R-1009 » RTV Silicone Dispersion Coating

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity6,150 cP (6,150 mPas)
Non-Volatile Content32%
Tack-Free Time1.5 hours
Cured: 7 days minimum at ambient temp. and humidity
Specific Gravity1.1
Durometer, Type A45
Tensile Strength1,150 psi (7.9 MPa)
Elongation650%
Tear Strength95 ppi (16.8 kN/m)

Recommended Primer SP-120 or SP-121

Note: Some bonding applications may require the use of a primer.


R-1082 » RTV Cure Silicone Dispersion

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceClear to translucent. Light straw to slight bluish tint.-
Non-Volatile Content29%-
Viscosity700 cP700 mPas
Cured: 5 days (+4/-0) hours at ambient temp. & humidity (remove from chase at 24 ± 2 hours)
Specific Gravity at 25°C (77°F)1.09-
Durometer, Type A25-
Tensile Strength1,425 psi9.8 MPa
Elongation950%-
Tear Strength125 ppi22.0 kN/m
Stress at 300% Strain160 psi1.1 MPa

R-1182 » Low Coefficient of Friction Silicone Coating

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Zahn Cup Viscosity, Cup #2*20 seconds
Percent Solids, Silicone Primers7.0%

*Contact NuSil Technology for testing parameters. Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R-2180 » Ice Phobic Coating

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Transparent to translucent.
Viscosity*3,075 cP (3,075 mPas)
Non-Volatile Content*20%
Work Time>72 hours
Cured: 30 minutes minimum at ambient temp. and humidity, 45 minutes at 75°C (167°F), and 135 minutes at 150°C (302°F)
(The given ramped cure schedule is suggested to remove solvent prior to elevated temperature cure)
Refractive Index*1.41
Durometer, Type A*40
Tensile Strength*1,700 psi (11.7 MPa)
Elongation*1,050%
Tear Strength*300 ppi (52.9 kN/m)
Stress at 100% Strain*150 psi (1.03 MPa)

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R-2182 » Low Coefficient of Friction Silicone Coating

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part A*Translucent
Appearance, Part B*Colorless to White
Zahn Cup Viscosity, Cup #2* 13 seconds
Percent Solids, Mixed* 25%
Specific Gravity, Pycnometer0.96
Work Time>24 hours

Cured: 5 minutes minimum at ambient temperature and humidity, then 5 minutes at 150°C (302°F)

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R-2930 » Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Chemical ClassificationVMQ-
ColorWhite-
ConsistencyPaste-
Work Time at 25°C (77°F)3 hours-
Cured : (Cured 30 min at 150°C (302°F)
Operating Temperature Range-85 to 465°F–65 to 240°C
Specific Gravity at 25°C (77°F)1.55-
Durometer, Type A80-
Tensile Strength260 psi1.72 Mpa
Elongation, %20-
Thermal Conductivity1.46 W/mk35 x 10-4 cal/cm sec °C
Dielectric Strength880 Volts/mil34.6 kV/mm

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


Electrically Conductive/Static Dissipative

EPM-2461 » Low Volatility Static Dissipative Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part ABlack
Appearance, Part BTranslucent
Appearance, MixedBlack
Viscosity, Part A1,250,000 cP (1,250,000 mPas)
Viscosity, Part B100,000 cP (100,000 mPas)
Work Time1 hour
Cured: 24 hours minimum at ambient temperature and humidity
Durometer, Type A30
Tensile Strength500 psi (3.4 MPa)
Elongation350%
Tear Strength30 ppi (5.3 kN/m)
Volume Resistivity535 ohm cm
Thermal Conductivity*0.223 W/(mK)
Volatile Content (1 hour at 275°C)0.78%
Ionic Content, Cl*<5 ppm
Ionic Content, K*<1 ppm
Ionic Content, Na*<6 ppm

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


EPM-2462 » Low Volatility Electrically Conductive Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Tan, paste
Work Time*2.75 hours
Cured: 30 minutes at 150°C (302°F)
Specific Gravity*3.39
Durometer, Type A*85
Tensile Strength*525 psi (3.6 MPa)
Volume Resistivity*0.005 ohm cm
Thermal Conductivity1.20 W/(mK)(29 x 10-4 cal/(cm sec°C))
Coefficient of Linear Thermal Expansion
Below Tg (-100°C to -50°C)140 ppm/°C (140µm/m/°C)
Above Tg (-30°C to 250°C)215 ppm/°C (215µm/m/°C)
Volatile Content (1 hour at 275°C)0.2%
Ionic Content, Cl<5 ppm
Ionic Content, K<7 ppm
Ionic Content, Na<5 ppm

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2630 » High Durometer RFI and EMI Shielding RTV Silicone

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceBlack
Work Time15 hours
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.1
Durometer, Type A60
Tensile Strength690 psi (4.7 MPa)
Elongation95%
Tear Strength40 ppi (7.0 kN/m)
Volume Resistivity6 ohm cm

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2631 » RFI and EMI Shielding RTV Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceBlack
Extrusion Rate100 g/min
Cure Time30 minutes
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.08
Durometer, Type A45
Volume Resistivity70 ohm cm

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer MED1-161

Note: Some bonding applications may require the use of a primer.


R-2634 » Electrically Conductive RTV Silicone

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceGray-green
Flow (0.500 plunge)1.2 inches (30.5 mm)
Work Time3 hours
Extrusion Rate160 gram/minute
Cured: 7 days at ambient temperature and humidity
Specific Gravity3.41
Durometer, Type A80
Tensile Strength250 psi (1.7 MPa)
Elongation90%
Tear Strength50 ppi (8.8 N/mm)
Lap Shear Strength (primed w/ SP-121)200 psi (1.4 MPa)
Volume Resistivity0.001 ohm cm

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-121

Note: Some bonding applications may require the use of a primer.


R-2637 » Electrically Conductive RTV Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Appearance, Part ATan, small agglomerates-
Appearance, Part BClear-
Consistency, Part A & B MixedSmooth Paste-
Work Time at 50% R.H.4 hours-
Cured : 30 min at 150°C (302°F)
Operating Temperature Range-85 to 400°F-65 to 200°C
Specific Gravity at 25°C (77°F)3.6-
Durometer, Type A60-
Tensile Strength210 psi2.1 MPa
Elongation275%-
Thermal Conductivity1.5 W/m k3.6 x 10-3 cal/(cm sec °C)
Dielectric Strength5 Volts/mil0.2 kV/mm
Volume Resistivity-0.006 ohm-cm

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


Fluids

FS-3600 » Variable Viscosity Silicone Fluid

PROPERTIES
Typical PropertiesResultMetric Conv.
Specific Gravity at 25°C (77°F)1.28-
ColorClear to Straw-
Refractive Index1.38-
Volatility2% max-
Operating Temperature Range-40°F to 392°F-40°C to 200°C

Foams

CF1-3710-2 » Fluorosilicone Foam

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
Appearance, Part AOff White-
Appearance, Part BDark Gray-
Tack Free Time10 minutes-
Cured: 1-4 hours at ambient temp. and humidity
Density, non-confined50 lbs/ft3800 Kg/m3

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2360 » RTV Silicone Foam

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceWhite
Application Life (25°C)2 minutes
Viscosity40,000 cP (40,000 mPas)
Cured: 20 minutes at ambient temperature and humidity
Foam Density12 lb/ft3 (0.19 g/cm3)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


SFM5-2350 » Flame Retardant RTV Silicone Foam

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Appearance, Part ABlack-
Appearance, Part BTan to Off-White-
Specific Gravity, Part A1.15-
Specific Gravity, Part B1.05-
Viscosity, Part A55,000 cP55,000 mPas
Viscosity, Part B50,000 cP50,000 mPas
Work Time23 minutes-
Cure Time33 minutes-
Cured: 45 minutes at 100°C (212°F)
Specific Gravity0.35-
ColorGray-
Foam Density25 lb/ft30.400 g/cm3
Thermal Conductivity1.8 x 10-4 cal cm/sec cm°C-
Dielectric Strength190 volts/mil7.48 kV/mm
Volume Resistivity2.2 x 1015 ohm/cm-

Recommended Primer SP-120

Note: Some bonding applications may require the use of a primer.


Gels

Optically Clear

LS-3252 » Optically clear encapsulation gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity (initial Part A and Part B mixed) 425 cP 425 mPas
Viscosity at 6 hours after catalyzation 475 cP 475 mPas
Cured: 30 minutes at 150°C (302°F)   
ConsistencySoft, self-healing gel-
Durometer, Type 00 10 -
Specific Gravity 1.07 -
Moisture Absorption, % gain after 168 hour
exposure at 85°C (185°F) / 85% R.H.
>250°C-
Refractive Index, 589 nm 1.52 -
Refractive Index vs. Temperature, 589 nm-3.3 x 10-4/°C-
Refractive Index vs. WavelengthSee Profile PDF for Graph-
Optical AbsorptionSee Profile PDF for Graph-

LS-3443 » Optically clear, diphenyl, Firm Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity, Part A 500 cP 500 mPas
Viscosity, Mixed 650 cP 650 mPas
Cured: 30 minutes at 100°C (212°F)
Penetration‡ 5 mm-
Dielectric Strength 500 volts/mil 19.7 kV/mm
Dielectric Constant at 100 Hz 2.8  
Volume Resistivity 1 x 10-15ohm/cm  
Coefficient of Liner Thermal Expansion 3 x 10-4 cm/cm/°C-
Refractive Index vs. WavelengthSee chart-
Optical Absorption vs. WavelengthSee chart-

‡GCA Precision Penetrometer, 19.5 gram shaft, 1 inch diameter, 5 seconds.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


LS1-3252 » Optically Clear Silicone Gel

PROPERTIES
Typical PropertiesResult
Uncured:
AppearanceTransparent
Viscosity (initial Part A and Part B mixed)360 cP
Viscosity at 3 hours after catalyzation< 4,000 cP
Cured: 30 minutes at 150°C (302°F)
Durometer, Type 0025
Specific Gravity1.07
Refractive Index, 589 nm1.52
Moisture Absorption, % gain after 168 hour exposure at 85°C (185°F) / 85% R.H. < 0.2 %
Cured: 24 hours at ambient temperature and humidity 
Durometer, Type 00065
Transmittance vs. Wavelength (25°C)*See Appendix
Refractive Index vs. Wavelength (25°C)* See Appendix
Refractive Index vs. Temperature by Wavelength* See Appendix

Recommended Primers CF2-135 - SP-120 - SP-271

Note: Some bonding applications may require the use of a primer.
CF2-135 is recommended for most metallic substrates, some plastics and when cure inhibition is observed on substrate.
SP-120 is recommended for PPA and SP-271 is recommended for PMMA.


LS3-3354 » Optically Clear Primerless Adhesive Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity (mixed)5,200 cP5,200 mPas
Work Time (2x viscosity)80 minutes minimum-
Cured: 1 hour at 70°C (158°F)
ConsistencySoft gel
Durometer, Type 00060-
Refractive Index, 589 nm1.54-
Refractive Index vs. Temperature, 589 nm-4.01 x 10-4/°C-
Refractive Index vs. WavelengthSee Profile PDF for Graph-
Refractive Index vs. TemperatureSee Profile PDF for Graph-
Cured: 24 hours at ambient temp. and humidity
Durometer, Type 00055-

LS4-3354 » Optically Clear Silicone Gel

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Transparent
Refractive Index, 589 nm*1.54
Viscosity (V1) (Initial)*4,200 cP (4,200 mPas)
Viscosity (V2) (at 5 hours)*4,500 cP (4,500 mPas)
Viscosity (V2/V1)*1.1
UV/ Visible Spectrophotometry at 400 nm*97%T
Cured: 60 minutes at 70°C (158°F)
Durometer, Type "000"*60
Refractive Index vs. Temperature by WavelengthSee Profile PDF
Cured: 60 minutes at 100°C (212°F)
Durometer, Type "000"*60
Cured: 24 hours at ambient temperature and humidity then 2 hours at 70°C (158°F)
Refractive Index vs. Wavelength (25°C)See Profile PDF

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.



EPM-2480 » Dielectric Silicone Gel

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Transparent
Viscosity* (tested within 15 minutes after catalyzation)2,500 cP (2,500 mPas)
Work Time*>30 hours
Cured: 30 minutes at 150°C (302°F)
Penetration* (GCA Penetrometer, 19.5 g shaft, 6.35 mm diameter, 5 seconds)4 mm
Volume Resistivity1 x 1014 ohm cm
Volatile Content (1 hour at 275°C)1.09%
Ionic Content, Cl< 5 ppm
Ionic Content, K<1 ppm
Ionic Content, Na< 2 ppm

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


EPM-2482 » Low Volatility Dielectric Silicone Gel

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*Transparent
Viscosity*1,800 cP (1,800 mPas)
Cured: 40 minutes at 150°C (302°F)
Penetration* (GCA Penetrometer, 19.5 g shaft, 6.35 mm diameter, 5 seconds)3 mm
Volatile Content (1 hour at 275°C)0.3%
Ionic Content, Cl<5 ppm
Ionic Content, K<1 ppm
Ionic Content, Na<4 pmm

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


GEL-3500 » Fluorosilicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity, Part A12,000 cP12,000 mPas
Viscosity, Part B10,500 cP10,500 mPas
Work Time12 hours-
Cured: 45 min at 150°C (302°F)
Durometer, Type 0050-
Operating Temperature Range-85 to 428°F-65 to 220°C

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


GEL-8136 » Tacky Silicone Gel

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceColorless
Viscosity450 cP (450 mPas)
Viscosity after 1 hr1,500 cPs maximum
Cured: 60 minutes at 140°C (280°F)
Penetration (51g shaft, 1/8 inch foot, 5 seconds)14 mm
Surface-Tack Test12.0 psi (82 kPa)

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


GEL-8150 » High Purity Dielectric Firm Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity500 cP500 mPas
Work Time4 hours-
Specific Gravity0.97-
Cured: 30 minutes at 100°C (212°F)
Penetration‡5 mm-
Dielectric Strength500 volts/mil19.7 kV/mm
Dielectric Constant at 100 Hz2.8-
Volume Resistivity1 x 1015 ohm/cm-
Coefficient of Thermal Expansion3 x 10-4 cm/cm/°C-

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

‡(GCA Precision Penetrometer, 19.5g shaft, 1" diameter foot, 5 seconds)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


GEL-8170 » High Purity Dielectric, Medium To Firm Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity600 cP600 mPas
Cured: 90 minutes at 80°C (176°F)
Penetration‡9 mm-
Dielectric Strength500 volts/mil19.7 kV/mm
Dielectric Constant at 100 Hz2.8-
Volume Resistivity1 x 1015 ohm/cm-

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

‡(GCA Precision Penetrometer, 19.5g shaft, 1" diameter foot, 5 seconds)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


GEL-8250 » Diphenyl Firm Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity, Mixed650 cP650 mPas
Work Time2 hours minimum-
Cured: 30 min at 100°C (212°F)
Penetration‡5 mm-
Dielectric Strength500 volts/mil19.7 kV/mm
Dielectric Constant at 100 Hz2.8-
Volume Resistivity1 x 1015 ohm/cm-
Coefficient of Liner Thermal Expansion3 x 10-4 cm/cm/°C-

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

‡(GCA Precision Penetrometer, 19.5g shaft, 1" diameter foot, 5 seconds)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


GEL1-8155 » High Purity Dielectric Firm Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity14,500 cP14,500 mPas
Cured: 30 min at150°C (302°F)
Penetration‡0.4 mm-
Operating Temperature Range-85 to 392°F-65 to 200°C

‡ GCA Precision Penetrometer, 19.5 gram shaft, ¼" diameter, 15 seconds.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


GEL8-8150 » Fast Cure, Dielectric Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceClear-
Viscosity500 cP500 mPas
Specific Gravity0.97-
Work Time1.5 hours-
Cured : 30 min at 100°C (212°F)
Penetration‡-4 mm

‡(GCA Precision Penetrometer, 19.5g shaft, 1" diameter foot, 5 seconds)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


LS-3238 » Encapsulation Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceClear-
Viscosity (mixed)1,500 cP1,500 mPas
Work Time (2x viscosity)11 hours-
Gelled and non-flowable at 25°C (77°F)24 hours-
Cured: 30 minutes at 150°C (302°F)
ConsistencySoft, self-healing gel-
Durometer, Type 0015-
Specific Gravity1.28-
TGA Take-off (1% wt. Loss, 10°C/min. in air)>250°C-
Refractive Index, 589 nm1.38-
Refractive Index vs. Temperature, 589 nm-3.3 x 10-4/°C-
Refractive Index vs. WavelengthSee Profile PDF for Graph-
Optical AbsorptionSee Profile PDF for Graph-

LS-3246 » Ultra-Clear Encapsulation Gel Preliminary Data

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
Viscosity (mixed)1,000 cP1,000 mPas
Work Time (2x viscosity)8 hours-
Cure Time24 hours-
Cured: 1 hour at 65°C (149°F)
AppearanceClear-
ConsistencySoft, self-healing gel-
Durometer, Type 0010-
Specific Gravity1.04-
TGA Take-off (1% wt. Loss, 10°C/min. in air)>250°C-
Refractive Index, 589 nm1.46-
Refractive Index vs. WavelengthSee Profile PDF for Graph-
Optical AbsorptionSee Profile PDF for Graph-

LS-3441 » High Purity Dielectric Firm Silicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity14,500 cP14,500 mPas
Cured: 30 minutes at 150°C (302°F)
Penetration‡0.4 mm-
Refractive Index1.41-
Thermooptic coefficient-3.8 x 10-4/°C-
Refractive Index vs. WavelengthSee chart-
Optical Absorption vs. WavelengthSee chart-

‡(Lab Line Penetrometer, 19.5g shaft, ¼" diameter foot, 5 seconds)

Recommended Primer LS1-3200

Note: Some bonding applications may require the use of a primer.


Greases

G-9010 » Teflon® Stopcock Heavy Grease

PROPERTIES
Typical PropertiesResultMetric Conv.
AppearanceWhite to gray-
Specific Gravity 1.12 -
Viscosity 875,000 cP 
Melting PointNone-
Volatile Content0.2%-
Operating Temperature Range- 

G-9020 » Stopcock Grease

PROPERTIES
Typical PropertiesResult
ColorTranslucent
Specific Gravity at 25°C (77°F)1.08
ConsistencyMedium Grease
Melting PointN/A
Volatility0.3 %
Operating Temperature Range-40°C to 230°C

G-9030 » Stopcock Grease

PROPERTIES
Typical PropertiesResultMetric Conv.
AppearanceWhite to gray-
Specific Gravity1.11-
Viscosity980,100 cP980,100 mPa
Melting PointNone-
Volatile Content0.3 %-
Operating Temperature Range--40°C to 230°C

G-9340 » Thermally Conductive Silicone Grease

PROPERTIES
Typical PropertiesResult
Appearance*White
Specific Gravity, Pycnometer*2.26
Evaporation, 24 hours at 150°C (302°F)*2% maximum
Thermal Conductivity0.68 W/(mK)(16 x 10-4cal/(cm sec°C))

*Properties tested on a lot-to-lot basis. Do not use the typical properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology LLC for assistance and recommendations in establishing particular specifications.


S-7200 » Variable Viscosity Silicone Fluid

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
AppearanceWater Clear-
Specific Gravity1-
Refractive Index1.403-
Volatility2% max-
Acid Number0.01-
Particulate Matter, Screen Mesh Passed325-
Flash Point (open cup)600°F315°C
Dielectric Strength400 volts/mil15.7 kV/mm
Dielectric Constant at 100 Khz2.77-
Volume Resistivity1 x 1015-
Vapor Pressure at 200°C (392°F)1 x 10-2-

S-7400 » High/Low Temperature Silicone Fluid

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Appearance Translucent -
Specific Gravity at 25°C (77°F)1.01-
Refractive Index1.429-
Volatile Content4% max-
Acid Number0.01-
Particulate Matter, Screen Mesh Passed325-
Flash Point (open cup)600°F315°C
Dielectric Strength400 volts/mil15.7 kV/mm
Dielectric Constant at 100 Khz2.77-
Volume Resistivity1 x 1015-
Vapor Pressure at 200°C (392°F)1 x 10-2-
Operating Temperature Range-85 to 500°F-65 to 260°C

High Consistency Rubbers

Inks

R-1008-0 » RTV Silicone Coating/Marking Ink (Translucent)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-1 » RTV Silicone Coating/Marking Ink (White)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceWhite
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-2 » RTV Silicone Coating/Marking Ink (Black)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceBlack
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-3 » RTV Silicone Coating/Marking Ink (Red)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceRed
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-4 » RTV Silicone Coating/Marking Ink (Orange)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceOrange
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-5 » RTV Silicone Coating/Marking Ink (Yellow)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceYellow
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-6 » RTV Silicone Coating/Marking Ink (Green)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceGreen
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-7 » RTV Silicone Coating/Marking Ink (Blue)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceBlue
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-1008-8 » RTV Silicone Coating/Marking Ink (Violet)

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceViolet
Viscosity1,150 cP (1,150 mPas)
Non-Volatile Content70%
Tack-Free Time40 minutes
Cured: 24 hours minimum at ambient temp. and humidity
Adhesion (Primed with SP-120)Pass

R-2100-2 » Silicone Coating/Marking Ink (Black)

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceBlack-
Viscosity, Part A800 cP800 mPa.s
Viscosity, Part B2,850 cP2,850 mPa.s
Non-Volatile Content60%-
Recommended Cure Schedule5 minutes at 302°F5 minutes at 150°C

Molding Elastomer

Optically Clear

LS-8941 » Optically Clear High Durometer Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTransparent Liquid
Viscosity, Part A27,500 cP (27,500 mPas)
Viscosity, Part B25,000 cP (25,000 mPas)
Viscosity, tested within 30 minutes after catalyzation21,500 cP (21,500 mPas)
Refractive Index1.41
UV/Visible Spectrophotometry at 400 nm, 1 cm path length94 %T
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.07
Durometer, Type A80
Tensile Strength1,250 psi (8.6 MPa)
Elongation65%
Tear Strength55 ppi (9.7 kN/m)
UV/Visible Spectrophotometry @ 400 nm, 1.9 mm path length95%T

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


LS1-6941 » Optical Thermoset

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity, Part A75,000 cP75,000 mPas
Viscosity, Part B50,000 cP50,000 mPas
Refractive Index, Part A1.41-
Refractive Index, Part B1.41-
Work Time>24 hours-
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.03-
Durometer, Type A50-
Tensile Strength750 psi5.2 MPa
Elongation305%-
Tear Strength80 ppi14.1 kN/m
Refractive Index vs. WavelengthSee Profile PDF for Graph-
Optical Absorption vs. WavelengthSee Profile PDF for Graph-


Fluorosilicone

FS-3511 » Liquid Injection Molding Fluorosilicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Extrusion Rate, Part A †40 g/min
Extrusion Rate, Part B †35 g/min
Work Time> 24 hours
Cured: 30 min at 150°C (302°F) Stabilize for 3 hrs at ambient temperature
Specific Gravity1.39
Durometer, Type A 30
Tensile Strength1,150 psi (7.9 MPa)
Elongation335%
Tear Strength60 ppi (10.6 kN/m)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

†(Performed using a SEMCO® 440 nozzle with a 1/8" orifice and 90± 5 psi air pressure)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


Liquid Silicone Rubbers

FS-3511 » Liquid Injection Molding Fluorosilicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Extrusion Rate, Part A †40 g/min
Extrusion Rate, Part B †35 g/min
Work Time> 24 hours
Cured: 30 min at 150°C (302°F) Stabilize for 3 hrs at ambient temperature
Specific Gravity1.39
Durometer, Type A 30
Tensile Strength1,150 psi (7.9 MPa)
Elongation335%
Tear Strength60 ppi (10.6 kN/m)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

†(Performed using a SEMCO® 440 nozzle with a 1/8" orifice and 90± 5 psi air pressure)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


Potting and Encapsulating Elastomers

Optically Clear

CF19-2615 » Optically Clear Potting And Encapsulating Silicone Elastomer

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceOptically Clear-
Viscosity, Part A1,300 cP1,300 mPas
Viscosity, Part B800 cP800 Mpas
Work Time4 hours-
Cured: Cured 30 min at 150°C (302°F)
Operating Temperature Range-85 to 465°F-65 to 240°C
Durometer, Type A30-
Tensile Strength120 psi0.9 MPa
Elongation100%-
Refractive Index1.41-
Dielectric Strength500 volts/mil19.7 kV/mm
Volume Resistivity1 x 1015-

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


LS-6140 » Optical Thermoset

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceColorless and Transparent-
Viscosity, Part A3,700 cP3,700 mPas
Viscosity, Part B2,550 cP2,550 mPas
Work Time3 hours-
Tack-Free Time6 hours-
Cured: 15 minutes at 150°C (302°F)
Specific Gravity1.02-
Durometer, Type A50-
Tensile Strength850 psi5.9 MPa
Elongation90%-
Lap Shear Strength (primed w/ LS1-3200)200 psi1.4 MPa
Coefficient of Linear Thermal Expansion, above Tg (-80 to 250°C)400 ppm/°C-
Refractive Index, 589 nm1.4-
TGA Takeoff (1% weight loss)353°C-
Dielectric Strength520 volts/mil20.5 kV/mm
Volume Resistivity1 x 1015 ohm cm-
Thermo-optic Coefficient-3.36 x 10-4/°C-
Ionic content, Cl<5ppm-
Ionic content, K<2ppm-
Ionic content, Na<4ppm-
Refractive Index vs. WavelengthSee Profile PDF-
Optical Absorption vs. WavelengthSee Profile PDF-

LS-6941 » Optical Thermoset

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity5,800 cP Part A / 90 cP Part B5,800 mPas Part A / 90 mPas Part B
Viscosity (Parts A and B mixed)5,300 cP5,300 mPas
Work Time5 hours-
Tack-Free Time15 hours-
UV/Visible Spectrophotometry at 400 nm 1 cm path length98% Transmittance-
Cured : Cured 15 min at 150°C (302°F)
Specific Gravity1.03-
Durometer, Type A50-
Tensile Strength1,300 psi9.0 MPa
Elongation95%-
Tear Strength20 ppi3.5 kN/m
Refractive Index, 589 nm1.41-
Dielectric Strength500 volts/mil19.7 kV/mm
Volume Resistivity1 x 1015-
Thermooptic Coefficient-3.5 x10-4/°C-
Refractive Index vs. WavelengthSee Profile PDF-
Optical Absorption vs. WavelengthSee Profile PDF-

LS1-6140 » Optically Clear Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceColorless and Transparent
Viscosity, Part A3,450 cP (3,450 mPas)
Viscosity, Part B2,500 cP (2,500 mPas)
Viscosity, Mixed (V1) within 30 minutes of catalyzation3,200 cP (3,200 mPas)
Viscosity, Mixed (V2) 24 hours after catalyzation3,600 cP (3,600 mPas)
Viscosity, (V2/V1) 24 hours after catalyzation1.1
UV/Visible Spectrophotometry at 400nm99%T
Cured: 60 minutes at 150°C (302°F)
Specific Gravity1.02
Durometer, Type A50
Tensile Strength900 psi (6.2 MPa)
Elongation90%
Lap Shear Strength (primed with LS1-3200)270 psi (1.9 MPa)
Volume Resistivity*1.3 X 1015 ohm cm minimum
Dielectric Strength*630 V/mil (13.8 kV/mm)
Ionic Content, Cl*< 5ppm
Ionic Content, K*< 2.5 ppm
Ionic Content, Na*< 2.5 ppm
Glass Transition Temperature (Tg)*-115 °C (-175°F)
Coefficient of Linear Expansion (-150 °C to -120°C)*99 ppm/°C (99µm/(m°C))
Coefficient of Linear Expansion (-100 °C to 100°C)*330 ppm/°C (330µm/(m°C))
Refractive Index, 589 nm1.4
Transmittance vs. Wavelength (25°C)See Profile PDF for Graph
Refractive Index vs. Wavelength (25°C)See Profile PDF for Graph
Refractive Index vs. Temperature by WavelengthSee Profile PDF for Graph

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer LS1-3200

Note: Some bonding applications may require the use of a primer.


LS2-6140 » Optically Clear Primerless Silicone Encapsulant

PROPERTIES
TYPICAL PROPERTIESAVERAGE RESULT
Uncured:
AppearanceColorless and Transparent
Viscosity, Part A 3,100 cP
Viscosity, Part B 2,300 cP
Viscosity, Mixed 3,000 cP
Cured: 60 minutes at 150°C (302°F)
Durometer, Type A 47
Tensile Strength 940 psi (6.5 MPa)
Elongation 125 %
Refractive Index at 589 nm1.41
Volatile Content (1 hour at 275°C) 0.7%
Glass Transition Temperature (Tg) *-115°C
Coefficient of Linear Expansion (-100°C to 100°C)* 330 ppm/°C (330µm/m°C)
Lap Shear to Aluminum (unprimed) 390 psi (2.7 MPa)
Die Shear 1.1 N/mm2
Dielectric Constant, 100 Hz* 2.80
Dielectric Constant, 1 kHz* 2.80
Dissipation Factor, 100 Hz*0.0004
Dissipation Factor, 100 kHz*0.0006
Dielectric Strength*660 V/ml (25.7 kV/mm)
Volume Resistivity* 1.1 X 1015 ohm cm
Ionic Content, Na *<2.5 ppm
Ionic Content, K *<2.5 ppm
Ionic Content, Cl*<5 ppm
Tested per UL-94 (3.7 mm average thickness)*V-0
Recommended cure time guidelines at various temperatures*
T90 at 80°C85 minutes
T90 at 100°C25 minutes
T90 at 120°C18 minutes

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R-2615 » Optically Clear Potting and Encapsulating Silicone Elastomer

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity, Part A6,000 cP6,000 mPas
Viscosity, Part B90 cP90 mPas
Viscosity, Part A and B Mixed 5,300 cP5,300 mPas
Work Time4 hours-
Cured : 15 min at 150°C (302°F)
Specific Gravity1.03-
Durometer, Type A50-
Tensile Strength1,300 psi9.0 MPa
Elongation100%-
Tear Strength20 ppi3.5 kN/m
Refractive Index1.41-
Dielectric Strength500 volts/mil19.7 kV/mm
Volume Resistivity1 x 1015-

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R21-2615 » Optically Clear High Durometer Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTransparent
Viscosity, Part A30,000 cP (30,000 mPas)
Viscosity, Part B20,000 cP (20,000 mPas)
Work Time2 hours
Cured: 2 hours at 50°C (122°F)
Specific Gravity1.07
Durometer, Type A75
Tensile Strength1,200 psi (8.3 MPa)
Elongation65%
Tear Strength35 ppi (6.2 kN/m)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.



Fluorosilicone

CF1-3510 » Fluorosilicone Potting and Encapsulating Elastomer

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
Appearance, Part ARed-
Appearance, Part BWhite-
Viscosity, Part A70,000 cP70,000 mPas
Consistency, Part BThin Paste-
Work Time 4 hours -
Cured: 30 min at 150°C (302°F)
Specific Gravity1.44-
Durometer, Type A20-
Tensile Strength 210 psi 1.45 MPa
Elongation135%-

Recommended Primers CF2-135 or SP-120

Note: Some bonding applications may require the use of a primer.
CF2-135 is recommended for most metallic substrates, some plastics and when cure inhibition is observed on substrate.
In general, SP-120 is recommended for use with 100% Fluorosilicones.


GEL-3500 » Fluorosilicone Gel

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceTranslucent-
Viscosity, Part A12,000 cP12,000 mPas
Viscosity, Part B10,500 cP10,500 mPas
Work Time12 hours-
Cured: 45 min at 150°C (302°F)
Durometer, Type 0050-
Operating Temperature Range-85 to 428°F-65 to 220°C

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.



CF19-2186 » Medium Cure Rate General Purpose Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity, Part A85,000 cP (85,000 mPas)
Viscosity, Part B65,000 cP (65,000 mPas)
Work Time15 minutes
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.11
Durometer, Type A25
Tensile Strength1,100 psi (7.6 MPa)
Elongation600%
Tear Strength80 ppi (14.1 kN/m)

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2160 » High Temperature RTV Silicone Adhesive/Sealant

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Appearance, Part ARed-
Appearance, Part BTranslucent-
Consistency, Part APours Easily-
Consistency, Part BPours Easily-
Viscosity, Part A 280,000 cP  
Viscosity, Part B 745 cP  
Work Time1.5 h-
Tack Free Time10 h-
Cured: 30 minutes at 150°C (302°F)
Specific Gravity1.2-
Durometer, Type A20-
Tensile Strength750 psi5.2 Mpa
Elongation625%-
Tear Strength 140 ppi 26.5 kN/m
    
  -

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2165 » Thermally Conductive Silicone Potting Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part A*Gray
Appearance, Part B*Off White
Appearance, MixedGray
Viscosity, Part A4,800 cP
Viscosity, Part B3,200 cP
Work Time10 minute minimum
Cured: 10 minutes at 150°C (302°F)
Durometer, Type A60
Tensile Strength500 psi ( 3.4 MPa)
Elongation100%
Volume Resistivity*1.0 x 1015 Ohm cm
Thermal Conductivity0.50 W/mK
Dielectric Constant, 100 Hz*3.6
Dielectric Constant, 100 kHz*3.2
Dielectric Strength*700 Volts/mil (27.3 kV/mm)
Glass Transition Temperature (Tg)*-48°C
Coefficient of Thermal Expansion (-140°C to -70°C)*110 µm/m°C
Coefficient of Thermal Expansion (-30°C to 120°C)*230 µm/m°C
Cured: 24 hours minimum at ambient temperature and humidity
Durometer, Type A60

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primers CF2-135 or SP-120

Note: Some bonding applications may require the use of a primer.
CF2-135 is recommended for most metallic substrates, some plastics and when cure inhibition is observed on substrate.
In general, SP-120 is recommended for use with 100% Fluorosilicones.


R-2188 » Silicone Potting and Encapsulating Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part ATranslucent
Appearance, Part BTranslucent
Viscosity, Part A13,000 cP
Viscosity, Part B9,000 cP
Work Time (Pot Life)8 hour minimum
Cured: 30 minutes at 150 °C (302°F)
Durometer, Type A20
Tensile Strength475 psi (3.3 MPa)
Elongation350 %
Tested per UL-94 *Passed V-1
Dielectric Constant, 100 Hz*2.9
Dielectric Constant, 100 kHz*2.6
Dissipation Factor, 100 Hz*0.0001
Dissipation Factor, 100 kHz*0.0001
Dielectric Strength *500 Volts/mil (19.5 kV/mm)
Ionic Content, Cl*> 5 ppm
Ionic Content, K*>3 ppm
Ionic Content, Na*> 1 ppm
Thermal Gravimetric Analysis (TGA)*,---
Weight loss 30°C to 380°C5%
Weight loss 30°C to 750°C60%
Glass Transition Temperature (Tg)*-45°C
Coefficient of Thermal Expansion (-25°C to 250°C)*320 µm/m°C
Moisture Absorption, % gain after 168 hour exposure*0.2%
at 85°C (185°F) / 85% R.H.---
% Linear Shrink (1 hour at 100°C)*2.5%
% Linear Shrink (1 hour at 150°C)*3.8%
Recommended Cure Times based on 90% cured via ODR† 
Cure time at 70°C4 hours
Cure time at 100°C30 minutes
Cure time at 150°C20 minutes

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

†Recommended cure times are based on the testing performed via ODR (Oscillating Disk Rheometer). However the cure times can be affected by multiple factors, including, but not limited to, quantity of silicone used, time to heat the entire device or mold, and whether the material is cured in pre-heated oven or not.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2560 » Wide Temperature Range RTV Silicone Elastomer (Red)

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceRed-
Non-Volatile Content100%-
Viscosity31,000 cP31,000 mPas
Work Time1 hour minimum-
Cured : 7 days at ambient temperature and humidity
Specific Gravity1.41-
Durometer, Type A55-
Tensile Strength700 psi4.8 MPa
Elongation125%-
Lap Shear Strength (primed )385 psi2.7 MPa

Note: Some bonding applications may require the use of a primer.
Please contact us for information on available primers.


R-2613 » Clear Silicone Potting Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Mixed Colorless
Viscosity, Part A 5,500 cP
Viscosity, Part B 125 cP
Mixed Viscosity 4,000 cP
Work Time (Pot Life)2 hour minimum
Cured: 10 minutes at 150°C (302°F)
Durometer, Type A 45
Tensile Strength 1,140 psi (7.9 MPa)
Elongation 150%
Tested per UL-94 (4.7 mm nominal thickness)*Passed V-0
Volume Resistivity 4 x 1014 Ohm cm
Thermal Conductivity 0.15 W/mK
Dielectric Constant, 100 Hz* 2.4
Dielectric Constant, 100 kHz* 2.3
Dissipation Factor 100 Hz* 0.0004
Dissipation Factor 100 kHz* 0.0008
Dielectric Strength 660 Volts/mil (25.8 kv/mm)
Glass Transition Temperature (Tg) -120°C
Coefficient of Thermal Expansion (-40°C to -250°C) 305µm/m°C
% Linear Shrink (1 hour at 90°C)* 1.5%
% Linear Shrink (1 hour at 110°C)* 2.0%
Recommended Cure Times based on 90% cure via ODRs **  
T90 at 90°C 50 minutes
T90 at 110°C 40 minutes

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2655 » High Strength Low Temperature RTV Silicone Elastomer

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceTransparent-
Viscosity5,400 cP5,400 mPas
Viscosity, after 4 hrs at room temp.20,200 cP20,200 cP
Cured : 60 min at 100°C (212°F)
Specific Gravity1.03-
Durometer, Type A40-
Tensile Strength900 psi6.2 MPa
Elongation120%-
Refractive Index1.43-

Primers

CF1-135 » High Technology Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
AppearanceTranslucent
Percent Solids - Silicone Primers4.5%
Specific Gravity, Pycnometer0.77

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

CF2-135 » Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
AppearanceTranslucent
Percent Solids, Silicone Primers4.5%
Specific Gravity, Pycnometer0.77

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

CF6-135 » High Technology Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
AppearanceTranslucent
Percent Solids - Silicone Primers8.7%
Specific Gravity, Pycnometer0.78

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

SP-120 » Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
AppearanceTranslucent
Percent Solids - Silicone Primers4.0%
Specific Gravity, Pycnometer0.77

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

SP-121 » Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
AppearanceRed
Percent Solids - Silicone Primers3.2%
Specific Gravity, Pycnometer0.76

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

SP-142 » Silicone Primer for Polycarbonates

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Percent Solids - Silicone Primers15%
Specific Gravity, Pycnometer0.79

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

SP-270 » Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Percent Solids - Silicone Primers15%
Specific Gravity, Pycnometer0.8

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

SP-271 » Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Percent Solids - Silicone Primers20%
Specific Gravity, Pycnometer0.8

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

SP-273 » Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Percent Solids - Silicone Primers 10%
Specific Gravity, Pycnometer 0.77

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

SP1-204 » Silicone Primer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Percent Solids-Silicone Primers3.3%
Specific Gravity, Pycnometer0.79

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Additional information for Primers: Application and Storage Recommendations PDF Application and Storage Recommendations PDF

Resins

CF-4721 » Thermosetting Silicone Resin

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceWater white to light amber-
Specific Gravity at 25°C (77°F)1.1-
Viscosity at 25°C (77°F)125 cP125 MPa
Non-Volatile Content100%-
Refractive Index1.52-
Cured: 15 min at 150°C
Durometer, Type D75-

CF2-4721 » Thermosetting Silicone Resin

PROPERTIES
Typical PropertiesResultMetric Conv.
Uncured:
AppearanceClear to light amber-
Specific Gravity @ 25°C (77°F)1.09-
Viscosity130 cP130 MPa
Non-Volatile Content100%-
Refractive Index1.52-
Cured: 15 min at 150°C
Durometer, Type D75-

Thermally Conductive

Fluorosilicone

CF1-3800 » Thermally Conductive Fluorosilicone Elastomer

PROPERTIES
Uncured:
Appearance, Part AWhite-
Appearance, Part BTranslucent-
ConsistencyPaste-
Work Time90 min-
Cured: 30 min at 150°C (302°F)
Specific Gravity1.53-
Durometer, Type A50-
Tensile Strength125 psi0.86 MPa
Elongation50%-
Thermal Conductivity30 x 10-4 cal/cm-sec°C1.25 W/m-K


EPM-2490 » Low Volatility Thermally Conductive Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceWhite
Work Time2 hours
Tack-Free Time4.5 hours
Cured:
Specific Gravity1.53
Durometer, Type A75
Tensile Strength200 psi (1.4 MPa)
Elongation30%
Lap Shear Strength160 psi (1.1 MPa)
Thermal Conductivity1.49 W/mK (36 x 10-4 cal/cmsec°C)
Volatile Content (1 hour at 275°C)0.2%
Moisture Absorption610%
Dielectric Strength610 V/mil (24.0 kV/mm)
Dielectric Constant, 100 Hz3.4
Dielectric Constant, 1 kHz3.4
Loss Tangent, 100 Hz0.002
Loss Tangent, 1 kHz0.001
Coefficient of Linear Expansion (-70°C to 200°C)240µm/(m°C)
Glass Transition Temperature (Tg)-127°C (-196.6°F)
Ionic Content, Na<3 ppm
Ionic Content, K<3 ppm
Ionic Content, Cl<6 ppm

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


EPM1-2493 » Low Volatility Silicone Elastomer

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*White
Viscosity, within 15 minutes of catalyzation*36,000 cP (36,000 mPas)
Viscosity, 2 hours after catalyzation*50,000 cP (50,000 mPas)
Tack-Free Time*13 hours
Cured: 15 minutes at 150°C (302°F)
Specific Gravity*2.34
Durometer, Type A*65
Tensile Strength*180 psi (1.2 MPa)
Elongation*50%
Lap Shear Strength (primed with SP-270)*120 psi (0.8 MPa)
Thermal Conductivity*0.95 W/(mK)(23 x 10-4 cal/(cm sec°C))
Volatile Content (1 hr at 275°C)0.35 %
Volume Resistivity3.4 X1013
Dielectric Strength465 V/mil (18.1 kV/mm)
Dielectric Constant, 100 Hz4.9
Dielectric Constant, 1 kHz4.9
Dissipation Factor, 100 Hz0.003
Dissipation Factor, 1 kHz0.002
Coefficient of Linear Expansion (-70°C to 200°C)200µm/(m°C)
Glass Transition Temperature (Tg)-98°C
Ion Content, Na< 6ppm
Ion Content, K< 3ppm
Ion Content, Cl< 5ppm

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Pleasecontact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer SP-270

Note: Some bonding applications may require the use of a primer.


R-2930 » Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Chemical ClassificationVMQ-
ColorWhite-
ConsistencyPaste-
Work Time at 25°C (77°F)3 hours-
Cured : (Cured 30 min at 150°C (302°F)
Operating Temperature Range-85 to 465°F–65 to 240°C
Specific Gravity at 25°C (77°F)1.55-
Durometer, Type A80-
Tensile Strength260 psi1.72 Mpa
Elongation, %20-
Thermal Conductivity1.46 W/mk35 x 10-4 cal/cm sec °C
Dielectric Strength880 Volts/mil34.6 kV/mm

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2939 » Low Viscosity Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance*White
Viscosity, Part A*70,000 cP (70,000 mPas)
Work Time*4 hours
Cured: 30 minutes at 150°C (302°F)
Specific Gravity*1.34
Durometer, Type A*70
Tensile Strength*300 psi (2.1 MPa)
Elongation*70%
Tear Strength*45 ppi (7.9 kN/m)
Thermal Conductivity*0.75 W/(mK)(18 x 10-4 cal/(cm sec°C))
Dielectric Strength810 Volts/mil (31.9 kV/mm)

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2940 » High Strength Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
Chemical ClassificationVMQ-
ColorGray-
ViscosityPaste-
Work Time at 25°C (77°F)5 hours-
Tack-Free Time at 25°C (77°F)24 hours-
Cured : Cured 30 min at 150°C (302°F)
Operating Temperature Range-85 to 465°F–65 to 240°C
Specific Gravity at 25°C (77°F)2.41-
Durometer, Type A90-
Tensile Strength700 psi4.8 Mpa
Elongation, %35-
Tear Strength, Die B65 ppi11.5 kN/m
Thermal Conductivity0.84 W/mk20 x 10-4 cal/cm sec °C
Dielectric Strength450 volt/mil17.7 kV/mm

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


R-2949 » Thermally Conductive Silicone

PROPERTIES
Typical PropertiesAverage ResultMetric Conv.
Uncured:
AppearanceWhite-
Viscosity, Part A75,000 cP75,000 mPas
Work Time3.5 hours-
Cured : Cured 30 min at 150°C (302°F)
Durometer, Type A75-
Tensile Strength275 psi4.8 MPa
Elongation50%-
Tear Strength45 ppi7.9 kN/m
Thermal Conductivity0.75 W/mk18 x 10-4 cal/cm-sec-°C
Dielectric Strength920 Volts/mil36.2 kV/mm
Operating Temperature Range-178 to 500°F-115 to 265°C

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


Tapes/Films & Pressure Sensitive Adhesives

PSA-1170 » Pressure Sensitive Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
AppearanceTranslucent
Viscosity250 cP (250 mPas)
Non-Volatile Content50%
Cured: 90 minutes at 150°C (302°F)
Release Force of PSA10 ppi (1.8 kN/m)
PSA Blunt Probe Tack Test1.5 lbs (6.7 N)

PSA-1270 » Pressure Sensitive Silicone Adhesive

PROPERTIES
Typical PropertiesAverage Result
Viscosity 2,100 cP (2,100 mPas)
Non-Volatile Content 50%
Viscosity2,100 cP (2,100 mPas)
Cured: 30 minutes @ 70°C in oven  
180° Peel Strength 3.1 ppi (0.54 kN/m)

Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.


R-2682-12 » RTV Silicone Film Adhesive

PROPERTIES
Typical PropertiesAverage Result
Uncured:
Appearance, Part ATranslucent
Appearance, Part BTranslucent
Dimensional Analysis0.012 inches (0.2 mm)
Application Life of Uncured Sheeting4 hours Minimum
Cured: 4 hours at 65°C (149°F)
Lap Shear Strength of Silicone Sheeting100 psi Minimum

Biomaterials

Medical Silicones
Biomaterials - Medical Silicones for Healthcare

Advanced Technologies

Advanced Technologies Industrial & Engineering Silicones
Space - Aviation Grade Industrial & Engineering Silicones

Tubing

Food Medical Industrial Grade Silicone Tubing
Food, Medical & Industrial Quality Silicone Tubing

Equipment

Silicone Mixing Dispensing Degassing Equipment
Mixing Dispensing & Degassing Equipment for Silicone